question re Nanonote specs

云帆江 jyf1987 at gmail.com
Thu Aug 13 21:23:59 EDT 2009


i am now in beijing
can i have a look about the product?  :]
i mean snapshot

2009/8/13 Wolfgang Spraul <wolfgang at qi-hardware.com>

> Ron,
> good point, thanks.
> I updated the product page so it says 'XBurst Jz4720'.
> About 'same' SoC like Dingoo or not I'm not entirely sure.
> The wiki page you are linking to says Jz4732, in all my meetings at
> Ingenic headquarters in Beijing I never once heard them talking about
> a Jz4732. It's possible such a model number exists but I doubt it.
> It's a Chinese company, things are changing fast to go with market
> demands.
>
> The 4720 has the same die as the 4740, but different packaging (4720 = COB,
> 4740 = BGA). COB packaging means some pins are not connected, so I believe
> the NAND and/or memory bus is not the full width as the 4740.
> The 4740 was produced in two different processes until now (180nm and
> 160nm),
> the 160nm can run up to 384 MHz, the 180nm up to 360 MHz. The 4720 (which
> was only produced in 180nm) is specified up to 336 MHz.
>
> Then I'm aware of 4725 (older chip, even older than 4720), 4750, 4755,
> 4760,
> 4810. They are working on dual core, 3D, GPS, USB On-The-Go, etc.
>
> In the end I think we all hope, including Ignacio from Dingux, that there
> is one strong kernel, ideally upstream, to get the most out of all variants
> of the XBurst chips. Like you said we would all benefit, Qi as well as
> Dingux. Then a lot of software could be shared, indeed.
>
> We are doing our best to get there, just yesterday we got significant new
> source codes from Ingenic, and we are working on an even tighter way to
> work together.
> Xiangfu now has a standing invitation from the Ingenic CEO to visit their
> offices whenever needed to improve Linux support for their chips.
> I think that's pretty cool! :-)
>
> Wolfgang
>
> P.S.: About missing details, we have all datasheets open now (actually
> changed some components just for the sake of open datasheets)
> http://downloads.qi-hardware.com/hardware/datasheets/qi_lb60/
> And we have the complete KiCAD electrical design open
> http://www.github.com/adamwang/
>
> But you are right the product page was not very clear, and also the various
> places are not well connected together yet. More services will come at
> qi-hardware.com, including wiki/project management including source
> control,
> issue tracking, etc. Hopefully eventually everything is linked in a smart
> way so things show up in the right place... Thanks so much for your
> feedback!
>
> On Wed, Aug 12, 2009 at 05:10:48PM -0700, Ron K. Jeffries wrote:
> > The web page[1] does not specify the model number ofthe Ingenic SoC.
> >
> > I'm wondering how similar the hardware capabilities of NanoNote and
> > Dingoo[2] will be?
> >
> > Naturally I understand obvious differences (Nanonote has keyboard, does
> not
> > have FM reciever, does not have gaming buttons).
> >
> > If they use the same SoC, then I assume supporting the cool multimedia
> > features a la Dingoo will be  "just" a matter of software.
> >
> > My input: given teh nature of your company and product, add a bit more
> > detail on the web page, e.g. state what SoC is used.
> >
> > thanks.
> > ---
> > Ron K. Jeffries
> > http://blog.eronj.com
> > rjeffries at gmail.com
> > http://identi.ca/ronkjeffries
> >
> > [1] http://www.qi-hardware.com/products/ben-nanonote/
> > [2] http://en.wikipedia.org/wiki/Dingoo
>
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